If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Jocotenango: The hottest months are usually April and March with an average temp of 67°F, while the coldest months are January and December with an average of 64°F. The rainiest months in Jocotenango are September, June, May, and August, with each month seeing an average of 16 inches of rainfall.